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A- WE BE R, OF COLUMBUS, OHIO. Letters 19mm No. 89,527, dated April27,1869.

comosrrron r012 Root-me, PAVEMEN FLOORS,-8cc.

11:. Schedule Inferred to these Letters Patent and making part of thesame.

To all whom it may concern:

Be it known that I, H. A. WEBER, of Columbus, in the county of Franklin,and State of. Ohio, have invented certain new and useful Improvements inOomposition of Matter; and I do hereby declare that the ftillowing is afull, clear, and exact description there 0 v Toenable others skilled inthe art to construct anduse my invention, I will proceed to describe it.

My invention relates to composition of matter, and consists in "theproduction of a new and useful compound, by mixing, in novelproportions, several wellknown ingredients. Y

My compound, thus produced, is useful in forming .a new chemical cement,which I have found valuable for many purposes in the arts.

To produce my cement, I take, of quartz sand, one hundred and twentypounds; pulverized limestone, thirty pounds; litharge, nine pounds; redlead, one: quarter of a pound; rosin, four pounds; and beeswax,one-quarter of a pound, and mix them as follows:

I first take the beeswax and rosin, and melt them together. As soon asthe mass has co0led,'I thoroughly pulverize it, and then mix it, inany-convenient manner, with the other named ingredients, hav ing finelypulverized and well dried them by artificial heat, if necessary for thatpurpose.

The composition thus made formsa greyish powder, which can be kept inkegs, sacks, or other suitable receptacles, for any length of timedesired. In this form it may be conveniently stored, or transported anydistance.

When desired for use, I take a hundred weight of this composition, andmix it thoroughly with one (1) gallon of linseed-oil, and two (2) pintsof japan or other drying-oil.

A greater or less quantity may be made, by adapting the proportions ofthe ingredients to suit the production of the quantity desired.

When thus mixed, at first the mixture will be found to have theconsistency of wet sand, but becomes more plastic in the course of anhour or so, when it can be easily spread with an ordinary trowel.

After application, and in about twenty-four (24) or thirty-six (36)hours, it assumes a very tenacious and solid character, and, in thecourse of a few weeks, he-

comes equal to stone in hardness, and will neither crack, crumble, orwear away, perceptibly for a long time.

It adheres with equal tenacity to wood, stone, glass, metal, and allsimilar substances, and resists equally well the action of the weatherand of water, so that it can be applied with like advantages to surfacesexposed to the open air,-as well as to those under water.

The objects to which it is applied, should be perfectly dry, andslightly coated with linseed-oil.

I have found it very useful for many purposes in building, as it servesto unite.building-materials in a strong and admirable manner, and wheredesired, forms a water-proof and air-tight covering. It is especiallyadapted for roofing, pavements, cellar floors, and like purposes, aswell as for coating cisterns, reservoirs, water-basins, and other.objects required to be perfectly water-tight.

It may also be used advantageously for coating, or stuccoing wooden,stone, or brick buildings, as well as the bottoms of vessels exposed'tothe action of the water and marine insects. As a protection for sills,railroad-ties, fence-posts, and all similar articles, it is very useful.

When used for any of these purposes, it should be applied in sufficientquantities to simply answer the end designed. For instance, in using itfor roofing, a layer of one-fourth (3;) of an inch in thickness of thecement will answer the purpose; and when used for any of the purposesmentioned, the operator will be guided by his judgment as to thequantity required.

Having thus described my invention,

What I claim, is-- The composition, or chemical cement, composed of theingredients herein mentioned, in the proportions and mannersubstantially as herein described, and for the purposes set forth.

' H. A. WEBER.

Witnesses:

J. E. Focus, M. D., Lnorom) SOHAUB.

